SEARCH Articles Figures Tables FT-IR reflection-absorption spectroscopy IR absorption IR reflection-absorption spectroscopy (IRAS Polarization modulated IR reflection absorption spectroscopy Polarization-modulation IR reflection absorption spectroscopy Qualitative Analyses and Structural Determination by Mid-IR Absorption Spectroscopy Reflection Absorption IR Spectroscopy (RAIRS) Reflection-absorption IR spectroscopy Surface-enhanced IR absorption spectroscopy